gecko-dev/uriloader/exthandler/nsIHelperAppLauncherDialog.idl

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* the Initial Developer. All Rights Reserved.
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*
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#include "nsISupports.idl"
interface nsIHelperAppLauncher;
interface nsILocalFile;
/**
* This interface is used to display a confirmatino dialog before
* launching a "helper app" to handle content not handled by
* Mozilla.
*
* Usage: Clients (of which there is one: the nsIExternalHelperAppService
* implementation in mozilla/uriloader/exthandler) create an instance of
* this interface (using the contract ID) and then call the show() method.
*
* The dialog is shown non-modally. The implementation of the dialog
* will access methods of the nsIHelperAppLauncher passed in to show()
* in order to cause a "save to disk" or "open using" action.
*/
[scriptable, uuid(64355793-988d-40a5-ba8e-fcde78cac631)]
interface nsIHelperAppLauncherDialog : nsISupports {
/**
* This request is passed to the helper app dialog because Gecko can not
* handle content of this type.
*/
const unsigned long REASON_CANTHANDLE = 0;
/**
* The server requested external handling.
*/
const unsigned long REASON_SERVERREQUEST = 1;
/**
* Gecko detected that the type sent by the server (e.g. text/plain) does
* not match the actual type.
*/
const unsigned long REASON_TYPESNIFFED = 2;
// Show confirmation dialog for launching application (or "save to
// disk") for content specified by aLauncher.
// aReason is one of the constants from above. It indicates why the dialog is
// shown.
// Implementors should treat unknown reasons like REASON_CANTHANDLE.
void show(in nsIHelperAppLauncher aLauncher,
in nsISupports aContext,
in unsigned long aReason);
// invoke a save to file dialog instead of the full fledged helper app dialog.
// aDefaultFileName --> default file name to provide (can be null)
// aSuggestedFileExtension --> sugested file extension
// aFileLocation --> return value for the file location
nsILocalFile promptForSaveToFile(in nsIHelperAppLauncher aLauncher,
in nsISupports aWindowContext,
in wstring aDefaultFile,
in wstring aSuggestedFileExtension);
};
%{C++
#define NS_IHELPERAPPLAUNCHERDLG_CONTRACTID "@mozilla.org/helperapplauncherdialog;1"
#define NS_IHELPERAPPLAUNCHERDLG_CLASSNAME "Mozilla Helper App Launcher Confirmation Dialog"
%}